<template>
<div>
  <el-radio-group v-model="direction">
  <el-radio label="ltr">从左往右开</el-radio>
  <el-radio label="rtl">从右往左开</el-radio>
  <el-radio label="ttb">从上往下开</el-radio>
  <el-radio label="btt">从下往上开</el-radio>
</el-radio-group>

<el-button @click="drawer = true" type="primary" style="margin-left: 16px;">
  点我打开
</el-button>

<el-drawer
  title="我是标题"
  :visible.sync="drawer"
  :direction="direction"
  :before-close="handleClose">
  <span>我来啦!</span>
</el-drawer>
</div>

</template>

<script>
import { createNamespacedHelpers } from "vuex";
const {  mapMutations } = createNamespacedHelpers("tags");
  export default {
    data() {
      return {
        drawer: false,
        direction: 'rtl',
      };
    },
    methods: {
      ...mapMutations(["addTabs"]),
      handleClose(done) {
        this.$confirm('确认关闭？')
          .then(_ => {
            done();
          })
          .catch(_ => {});
      }
    },
    beforeRouteEnter(to,from,next){
        next(vm=>{
           vm.addTabs(to)
        })
 },
  };
</script>

<style scoped>

</style>